<!DOCTYPE html>
<html lang="zh-CN">
    <head>
        <meta charset="UTF-8">
            <meta http-equiv="X-UA-Compatible" content="IE=edge">
                <meta name="viewport" content="width=device-width, initial-scale=1">
                    <!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ -->
                    <title>陈泽的博客time</title>
                    
                    <!-- Bootstrap -->
                    <link href="css/bootstrap.min.css" rel="stylesheet">
                        
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                         <![endif]-->
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    <body>

        <nav class="navbar  navbar-inverse">
            <div class="container-fluid">
                
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                <div class="navbar-header">
                    <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1" aria-expanded="false">
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                    <a class="navbar-brand" href="#">陈泽的博客</a>
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                        <li><a href="#">QQ号、微信 <span class="sr-only">(current)</span></a></li>
                        <li><a href="#">微博</a></li>
                        
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                    <ul class="nav navbar-nav navbar-right">
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                        <li><a href="#">Link</a></li>
                        
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        </nav>
       
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         <div class="dropdown">
         <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
          Dropdown
          <span class="caret"></span>
          </button>
          <ul class="dropdown-menu" aria-labelledby="dropdownMenu1">
          <li><a href="#">Action</a></li>
          <li><a href="#">Another action</a></li>
          <li><a href="#">Something else here</a></li>
          <li role="separator" class="divider"></li>
          <li><a href="#">Separated link</a></li>
          </ul>
</div>
          
          
          <!--选择框写在这里-->
          <select>
              <option>大白菜</option>
              <option>老毛桃</option>
              <option>电脑店</option>
          </select> 



        <div class="container">
            <div class="container">
            <figure class="highlight">
            <pre><!--pre框框的来源-->
                <code>
                    <span class>&lt;!DOCTYPE html&gt;</span>
                    <span>&lt;html lang="zh-CN"&gt;</span>
                        <span>&lt;head&gt;</span>
                            <span>&lt; meta charset="UTF-8"&gt;</span>
                            <span>&lt; meta http-equiv="X-UA-Compatible" content="IE=edge"&gt;</span>
                            <span>&lt;meta name="viewport" content="width=device-width, initial-scale=1"&gt;</span>
                            <span>&lt;!-- 上述3个meta标签*必须*放在最前面，任何其他内容都*必须*跟随其后！ --&gt;</span>
                            <span>&lt;title&gt;</span>Bootstrap 101<span>&lt;/title&gt;</span>
                            <span>&lt;!-- Bootstrap --&gt;</span>
                            <span>&lt;link</span><span>&ensp;href="css/bootstrap.min.css"&ensp;rel="stylesheet"&gt;</span>
                            <span>&lt;!-- HTML5 shim and Respond.js for IE8 support of HTML5 elements and media queries --&gt;</span>
                            <span>&lt;!-- WARNING: Respond.js doesn't work if you view the page via file:// -&gt;</span>
                            <span>&lt;!--[if lt IE 9]&gt;</span>
                            <span>&lt;script src="https://cdn.bootcss.com/html5shiv/3.7.3/html5shiv.min.js"&gt;</span><span>&lt;/script&gt;</span>
                            <span>&lt;script src="https://cdn.bootcss.com/respond.js/1.4.2/respond.min.js"&gt;</span><span>&lt;/script&gt;</span>
                            <span>&lt;![endif]--&gt;</span>
                    <span>&lt;/head&gt;</span>
                    <span>&lt;body&gt;</span>
                        <span>&lt;h1&gt;</span><span>你好，世界！&lt;/h1&gt;</span>
                        <span>&lt;!-- jQuery (necessary for Bootstrap's JavaScript plugins) --&gt;</span>
                        <span>&lt;script src="src="https://cdn.bootcss.com/jquery/1.12.4/jquery.min.js"&gt;</span><span>&lt;/script&gt;</span>
                        <span>&lt;!-- Include all compiled plugins (below), or include individual files as needed --&gt;</span>
                        <span>&lt;script src="src="js/bootstrap.min.js"&gt;</span><span>&lt;/script&gt;</span>
                    <span>&lt;/body&gt;</span>
                    <span>&lt;/html&gt;</span>
                </code>
            </pre>
            </figure>
            </div>
        </div>
        
        <!-- jQuery (necessary for Bootstrap's JavaScript plugins) -->
        <script src="https://cdn.bootcss.com/jquery/1.12.4/jquery.min.js"></script>
        <!-- Include all compiled plugins (below), or include individual files as needed -->


    </body>
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